<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div {
				width: 200px;
				height: 200px;
				background-color: orange;
				animation: myAn 2s 3;
			}

			@keyframes myAn {
				from {
					background-color: green;
				}

				to {
					background-color: gold;
				}
			}
		</style>
	</head>
	<body>
		<div></div>
	</body>
</html>
